/* === Primitive tokens === */
:root {
  color-scheme: dark;
  --pp-graphite-1000: #070b0e;
  --pp-graphite-950: #0a0f13;
  --pp-graphite-900: #10171c;
  --pp-graphite-850: #151e24;
  --pp-mineral-700: #26333c;
  --pp-fog-500: #91a6ad;
  --pp-fog-300: #bdc8cd;
  --pp-frost-100: #edf1f2;
  --pp-white: #f8faf9;
  --pp-verdigris-500: #7fa38e;
  --pp-amethyst-500: #8c759f;
  --pp-amethyst-300: #b7a4c1;
  --pp-danger-500: #c9827d;
  --pp-space-1: 0.25rem;
  --pp-space-2: 0.5rem;
  --pp-space-3: 0.75rem;
  --pp-space-4: 1rem;
  --pp-space-5: 1.25rem;
  --pp-space-6: 1.5rem;
  --pp-space-8: 2rem;
  --pp-space-10: 2.5rem;
  --pp-space-12: 3rem;
  --pp-space-16: 4rem;
  --pp-space-20: 5rem;
  --pp-radius-1: 0.375rem;
  --pp-radius-2: 0.625rem;
  --pp-radius-3: 0.875rem;
  --pp-font-ui: "Segoe UI Variable", "Segoe UI", Arial, sans-serif;
  --pp-font-mono: "Cascadia Code", Consolas, monospace;
}

/* === Semantic tokens === */
:root {
  --pp-canvas: var(--pp-graphite-950);
  --pp-surface: rgb(10 15 19 / 0.88);
  --pp-surface-raised: rgb(21 30 36 / 0.88);
  --pp-text: var(--pp-frost-100);
  --pp-text-muted: var(--pp-fog-300);
  --pp-text-quiet: var(--pp-fog-500);
  --pp-border: rgb(237 241 242 / 0.12);
  --pp-border-strong: rgb(237 241 242 / 0.22);
  --pp-accent: var(--pp-verdigris-500);
  --pp-focus: var(--pp-fog-300);
  --pp-container: 76rem;
}

/* === Component tokens === */
:root {
  --pp-header-height: 4.75rem;
  --pp-button-height: 3rem;
  --pp-button-radius: var(--pp-radius-2);
  --pp-card-bg: var(--pp-surface-raised);
  --pp-card-border: var(--pp-border);
  --pp-card-radius: var(--pp-radius-3);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  scroll-behavior: smooth;
  background: var(--pp-canvas);
}

body {
  --page-bg-x: 0px;
  --page-bg-y: 0px;
  --page-light-x: 0px;
  --page-light-y: 0px;
  min-width: 20rem;
  min-height: 100dvh;
  margin: 0;
  overflow-x: hidden;
  color: var(--pp-text);
  background:
    linear-gradient(90deg, rgb(7 11 14 / 0.94), rgb(7 11 14 / 0.36) 60%, rgb(7 11 14 / 0.78)),
    url("/assets/premium/stratus-clouds.webp") center / cover fixed,
    var(--pp-canvas);
  background-position: 0 0, calc(50% + var(--page-bg-x)) calc(50% + var(--page-bg-y)), 0 0;
  font-family: var(--pp-font-ui);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

.page-parallax-layer {
  opacity: var(--layer-opacity, 1);
  scale: var(--layer-scale, 1);
  translate: var(--layer-x, 0) var(--layer-y, 0);
  transition: translate 80ms linear, opacity 180ms linear, scale 180ms linear;
  will-change: translate, opacity, scale;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 45%, var(--pp-canvas) 92%),
    linear-gradient(110deg, transparent 38%, rgb(237 241 242 / 0.07) 50%, transparent 64%);
  content: "";
  transform: translate3d(var(--page-light-x), var(--page-light-y), 0) scale(1.12);
  transition: transform 80ms linear;
  will-change: transform;
}

a {
  color: inherit;
}

button,
input,
textarea {
  font: inherit;
}

:focus-visible {
  outline: 1px solid var(--pp-focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: var(--pp-space-3);
  left: var(--pp-space-3);
  padding: var(--pp-space-2) var(--pp-space-3);
  color: var(--pp-canvas);
  background: var(--pp-text);
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.public-header,
.public-footer,
.public-hero,
.public-section,
.public-cta {
  width: min(calc(100% - 3rem), var(--pp-container));
  margin-inline: auto;
}

.public-header {
  position: relative;
  z-index: 10;
  display: flex;
  min-height: var(--pp-header-height);
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--pp-border);
}

.public-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--pp-space-3);
  color: var(--pp-text);
  font-weight: 650;
  text-decoration: none;
}

.public-brand-mark {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  place-items: center;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-2);
  color: var(--pp-canvas);
  background: var(--pp-text);
  font-weight: 700;
}

.public-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--pp-space-3), 2.5vw, var(--pp-space-8));
}

.public-nav a {
  color: var(--pp-text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.public-nav a:hover {
  color: var(--pp-text);
}

.public-nav .public-nav-cta {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  padding-inline: var(--pp-space-4);
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-2);
  color: var(--pp-text);
  background: rgb(21 30 36 / 0.72);
}

.public-hero {
  display: grid;
  min-height: min(49rem, calc(100dvh - var(--pp-header-height)));
  grid-template-columns: minmax(0, 0.86fr) minmax(32rem, 1.14fr);
  align-items: center;
  gap: clamp(var(--pp-space-8), 6vw, var(--pp-space-16));
  padding-block: clamp(var(--pp-space-12), 9vw, 7.5rem);
}

.public-hero-copy {
  position: relative;
  z-index: 2;
}

.public-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--pp-space-2);
  color: var(--pp-text-quiet);
  font: 600 0.6875rem/1.2 var(--pp-font-mono);
  letter-spacing: 0.11em;
}

.public-eyebrow > span {
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--pp-accent);
  border-radius: 50%;
  background: rgb(127 163 142 / 0.25);
}

.public-hero h1 {
  max-width: 12ch;
  margin: var(--pp-space-6) 0 var(--pp-space-6);
  font-size: clamp(3.25rem, 7.2vw, 7rem);
  font-weight: 520;
  line-height: 0.92;
  letter-spacing: -0.07em;
}

.public-lead {
  max-width: 38rem;
  margin: 0;
  color: var(--pp-text-muted);
  font-size: clamp(1rem, 1.7vw, 1.25rem);
  line-height: 1.65;
}

.public-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pp-space-3);
  margin-top: var(--pp-space-8);
}

.public-button {
  display: inline-flex;
  min-height: var(--pp-button-height);
  align-items: center;
  justify-content: center;
  padding-inline: var(--pp-space-5);
  border: 1px solid transparent;
  border-radius: var(--pp-button-radius);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.public-button:hover {
  transform: translateY(-2px);
}

.public-button-primary {
  color: var(--pp-canvas);
  background: var(--pp-text);
}

.public-button-primary:hover {
  background: var(--pp-white);
}

.public-button-secondary {
  border-color: var(--pp-border-strong);
  color: var(--pp-text);
  background: var(--pp-surface-raised);
}

.public-proof {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pp-space-3) var(--pp-space-5);
  margin-top: var(--pp-space-8);
  color: var(--pp-text-quiet);
  font: 500 0.75rem/1.4 var(--pp-font-mono);
}

.public-proof span {
  display: inline-flex;
  align-items: center;
  gap: var(--pp-space-2);
}

.public-proof span::before {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--pp-accent);
  content: "";
}

.product-window {
  --hero-x: -4deg;
  --hero-y: 1deg;
  --hero-lift: 0px;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-3);
  background: rgb(7 11 14 / 0.86);
  box-shadow: 0 38px 100px rgb(0 0 0 / 0.38);
  transform: perspective(1400px) translate3d(0, var(--hero-lift), 0) rotateY(var(--hero-x)) rotateX(var(--hero-y));
  transform-origin: right center;
  transition: transform 460ms cubic-bezier(.2, .8, .2, 1);
  will-change: transform;
}

.product-window-bar {
  display: flex;
  min-height: 3rem;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--pp-space-4);
  border-bottom: 1px solid var(--pp-border);
  color: var(--pp-text-quiet);
  font: 500 0.625rem/1 var(--pp-font-mono);
  letter-spacing: 0.09em;
}

.product-window-bar i {
  width: 0.5rem;
  height: 0.5rem;
  border: 1px solid var(--pp-accent);
  border-radius: 50%;
}

.product-window-body {
  display: grid;
  min-height: 27rem;
  grid-template-columns: 13rem minmax(0, 1fr);
}

.product-contacts {
  display: grid;
  align-content: start;
  gap: var(--pp-space-2);
  padding: var(--pp-space-5) var(--pp-space-3);
  border-right: 1px solid var(--pp-border);
  background: rgb(10 15 19 / 0.86);
}

.product-contacts > strong {
  margin: 0 var(--pp-space-2) var(--pp-space-3);
  font-size: 1rem;
}

.product-contact {
  display: grid;
  min-width: 0;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  align-items: center;
  gap: var(--pp-space-3);
  padding: var(--pp-space-3);
  border-radius: var(--pp-radius-2);
}

.product-contact.is-active {
  background: rgb(145 166 173 / 0.13);
}

.product-contact > b {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-2);
  color: var(--pp-text-muted);
  font-size: 0.7rem;
}

.product-contact > span,
.product-contact strong,
.product-contact small {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-contact strong {
  font-size: 0.75rem;
}

.product-contact small {
  margin-top: var(--pp-space-1);
  color: var(--pp-text-quiet);
  font-size: 0.625rem;
}

.product-chat {
  display: grid;
  min-width: 0;
  grid-template-rows: auto minmax(0, 1fr) auto;
  background:
    linear-gradient(rgb(10 15 19 / 0.48), rgb(10 15 19 / 0.82)),
    url("/assets/premium/stratus-clouds.webp") center / cover;
}

.product-chat-head {
  display: grid;
  gap: var(--pp-space-1);
  padding: var(--pp-space-4);
  border-bottom: 1px solid var(--pp-border);
}

.product-chat-head strong {
  font-size: 0.875rem;
}

.product-chat-head small {
  color: var(--pp-accent);
  font-size: 0.6875rem;
}

.product-messages {
  display: flex;
  flex-direction: column;
  gap: var(--pp-space-3);
  padding: var(--pp-space-5);
}

.product-messages p {
  width: fit-content;
  max-width: 78%;
  margin: 0;
  padding: var(--pp-space-3) var(--pp-space-4);
  border: 1px solid var(--pp-border);
  border-radius: var(--pp-radius-2);
  color: var(--pp-text-muted);
  background: rgb(38 51 60 / 0.9);
  font-size: 0.75rem;
  line-height: 1.5;
}

.product-messages .is-mine {
  align-self: flex-end;
  color: var(--pp-graphite-900);
  background: var(--pp-frost-100);
}

.product-composer {
  display: flex;
  min-height: 3.75rem;
  align-items: center;
  justify-content: space-between;
  margin: var(--pp-space-3);
  padding-inline: var(--pp-space-4);
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-2);
  color: var(--pp-text-quiet);
  background: var(--pp-surface-raised);
  font-size: 0.75rem;
}

.product-composer b {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: var(--pp-radius-1);
  color: var(--pp-canvas);
  background: var(--pp-text);
}

.public-section {
  padding-block: clamp(var(--pp-space-16), 9vw, 7rem);
  border-top: 1px solid var(--pp-border);
}

.scroll-story {
  --story-cloud-scale: 1;
  --story-cloud-y: 0px;
  --story-cloud-opacity: 1;
  --story-reveal: 0%;
  --story-cave-opacity: 0;
  --story-cave-scale: 1.28;
  --story-cave-x: 8%;
  --story-cave-y: 5%;
  --story-near-left: -12%;
  --story-near-right: 12%;
  --story-feature-opacity: 1;
  --story-feature-y: 0px;
  --story-feature-scale: 1;
  --story-aethra-opacity: 0;
  --story-aethra-y: 7rem;
  --story-aethra-scale: 0.82;
  --story-light-opacity: 0;
  --story-meter: 0;
  position: relative;
  height: 430svh;
  border-block: 1px solid var(--pp-border);
  background: #07090b;
}

.story-sticky {
  position: sticky;
  top: 0;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: #07090b;
}

.story-cloud-world,
.story-cave-world,
.story-cave-back,
.story-cave-near,
.story-light {
  position: absolute;
  inset: -5%;
  pointer-events: none;
}

.story-cloud-world {
  z-index: -5;
  background:
    linear-gradient(90deg, rgb(7 11 14 / 0.82), rgb(7 11 14 / 0.16) 60%, rgb(7 11 14 / 0.62)),
    url("/assets/premium/stratus-clouds.webp") center / cover no-repeat;
  opacity: var(--story-cloud-opacity);
  transform: translate3d(0, var(--story-cloud-y), 0) scale(var(--story-cloud-scale));
  transform-origin: 60% 55%;
  will-change: transform, opacity;
}

.story-cave-world {
  z-index: -4;
  overflow: hidden;
  opacity: var(--story-cave-opacity);
  clip-path: circle(var(--story-reveal) at 63% 78%);
  will-change: clip-path, opacity;
}

.story-cave-back {
  inset: -10%;
  background: url("/assets/premium/aethra-amethyst-cave.webp") center / cover no-repeat;
  transform: translate3d(var(--story-cave-x), var(--story-cave-y), 0) scale(var(--story-cave-scale));
  transform-origin: 62% 62%;
  will-change: transform;
}

.story-cave-near {
  z-index: 2;
  inset: -12%;
  background: url("/assets/premium/aethra-amethyst-cave.webp") center / cover no-repeat;
  filter: brightness(0.48) contrast(1.12);
  opacity: calc(var(--story-cave-opacity) * 0.86);
  will-change: transform;
}

.story-cave-near-left {
  clip-path: polygon(0 0, 31% 0, 22% 100%, 0 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 0 64%, transparent 100%);
  mask-image: linear-gradient(90deg, #000 0 64%, transparent 100%);
  transform: translate3d(var(--story-near-left), 0, 0) scale(1.22);
  transform-origin: left center;
}

.story-cave-near-right {
  clip-path: polygon(76% 0, 100% 0, 100% 100%, 85% 100%);
  -webkit-mask-image: linear-gradient(270deg, #000 0 66%, transparent 100%);
  mask-image: linear-gradient(270deg, #000 0 66%, transparent 100%);
  transform: translate3d(var(--story-near-right), 0, 0) scale(1.25);
  transform-origin: right center;
}

.story-light {
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 66% 44%, rgb(176 142 193 / 0.2), transparent 24%),
    linear-gradient(112deg, rgb(255 255 255 / 0.05), transparent 34%, rgb(123 83 144 / 0.15) 70%, transparent);
  opacity: var(--story-light-opacity);
  mix-blend-mode: screen;
}

.story-frame {
  position: absolute;
  z-index: 3;
  inset: 0;
  width: min(calc(100% - 3rem), var(--pp-container));
  margin-inline: auto;
}

.story-feature-frame {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  gap: var(--pp-space-8);
  padding-block: clamp(5rem, 11vh, 8rem) clamp(2rem, 6vh, 4rem);
  opacity: var(--story-feature-opacity);
  transform: translate3d(0, var(--story-feature-y), 0) scale(var(--story-feature-scale));
  transform-origin: center 35%;
  will-change: transform, opacity;
}

.story-feature-heading {
  display: grid;
  max-width: 60rem;
  align-content: center;
  gap: var(--pp-space-4);
}

.story-feature-heading h2 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(4rem, 10vw, 9rem);
  font-weight: 520;
  line-height: 0.82;
  letter-spacing: -0.075em;
}

.story-feature-heading p {
  max-width: 42rem;
  margin: 0;
  color: var(--pp-text-muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.6;
}

.story-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--pp-border);
}

.story-feature-grid article {
  display: grid;
  min-height: 12.5rem;
  align-content: space-between;
  gap: var(--pp-space-4);
  padding: var(--pp-space-5);
  border-right: 1px solid var(--pp-border);
  background: rgb(8 13 16 / 0.2);
  backdrop-filter: blur(4px);
}

.story-feature-grid article:last-child {
  border-right: 0;
}

.story-feature-grid article > span {
  color: var(--pp-text-quiet);
  font: 600 0.6875rem/1 var(--pp-font-mono);
}

.story-feature-grid h3,
.story-feature-grid p {
  margin: 0;
}

.story-feature-grid h3 {
  align-self: end;
  font-size: clamp(1.45rem, 2.6vw, 2.35rem);
  font-weight: 540;
  letter-spacing: -0.045em;
}

.story-feature-grid p {
  color: var(--pp-text-muted);
  line-height: 1.55;
}

.story-scroll-cue {
  display: flex;
  align-items: center;
  gap: var(--pp-space-3);
  color: var(--pp-text-quiet);
  font: 600 0.625rem/1 var(--pp-font-mono);
  letter-spacing: 0.11em;
}

.story-scroll-cue span {
  width: 4rem;
  height: 1px;
  overflow: hidden;
  background: var(--pp-border-strong);
}

.story-scroll-cue span::after {
  display: block;
  width: 50%;
  height: 100%;
  background: var(--pp-text);
  content: "";
  animation: story-cue 1.8s ease-in-out infinite;
}

@keyframes story-cue {
  from { transform: translateX(-110%); }
  to { transform: translateX(220%); }
}

.story-aethra-frame {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: 8rem;
  opacity: var(--story-aethra-opacity);
  transform: translate3d(0, var(--story-aethra-y), 0) scale(var(--story-aethra-scale));
  transform-origin: 58% 62%;
  will-change: transform, opacity;
}

.story-aethra-index {
  align-self: start;
  padding-top: var(--pp-space-3);
  color: var(--pp-amethyst-300);
  font: 600 0.6875rem/1 var(--pp-font-mono);
  letter-spacing: 0.12em;
  writing-mode: vertical-rl;
}

.story-aethra-copy {
  display: grid;
  min-width: 0;
  max-width: 72rem;
  gap: var(--pp-space-5);
}

.story-aethra-copy .public-eyebrow {
  color: var(--pp-amethyst-300);
}

.story-aethra-copy h2 {
  margin: 0;
  font-size: clamp(4.5rem, 13vw, 12rem);
  font-weight: 520;
  line-height: 0.72;
  letter-spacing: -0.09em;
}

.story-aethra-copy p {
  max-width: 42rem;
  margin: var(--pp-space-3) 0 0;
  color: var(--pp-fog-300);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.65;
}

.story-depth-meter {
  position: absolute;
  right: 0;
  bottom: clamp(2rem, 6vh, 4rem);
  left: 0;
  display: grid;
  grid-template-columns: auto auto;
  gap: var(--pp-space-2);
  color: var(--pp-text-quiet);
  font: 600 0.625rem/1 var(--pp-font-mono);
  letter-spacing: 0.11em;
}

.story-depth-meter span {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(90deg, var(--pp-fog-500), var(--pp-amethyst-300));
  transform: scaleX(var(--story-meter));
  transform-origin: left;
}

.story-depth-meter small:last-child {
  justify-self: end;
  color: var(--pp-amethyst-300);
}

.story-progress {
  position: absolute;
  z-index: 6;
  top: 50%;
  right: max(1.25rem, calc((100vw - var(--pp-container)) / 2));
  display: grid;
  width: 1px;
  height: 34vh;
  grid-template-rows: 1fr auto;
  gap: var(--pp-space-2);
  color: var(--pp-text-quiet);
  font: 600 0.55rem/1 var(--pp-font-mono);
  transform: translateY(-50%);
}

.story-progress::before {
  position: absolute;
  inset: 0;
  background: var(--pp-border-strong);
  content: "";
}

.story-progress span {
  position: relative;
  z-index: 1;
  width: 1px;
  height: 100%;
  background: var(--pp-amethyst-300);
  transform: scaleY(var(--story-meter));
  transform-origin: top;
}

.story-progress small {
  position: absolute;
  right: var(--pp-space-3);
}

.story-progress small:nth-of-type(1) { top: 0; }
.story-progress small:nth-of-type(2) { bottom: 0; }

.cave-journey {
  --cave-x: 0px;
  --cave-y: 0px;
  --cave-scale: 1.08;
  --cave-violet: 0;
  position: relative;
  height: 180svh;
  border-block: 1px solid var(--pp-border);
  background: #080a0c;
}

.cave-sticky {
  position: sticky;
  top: 0;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  align-items: end;
  isolation: isolate;
}

.cave-image,
.cave-grade {
  position: absolute;
  inset: -3rem;
}

.cave-image {
  z-index: -3;
  background: url("/assets/premium/aethra-amethyst-cave.webp") center / cover no-repeat;
  transform: translate3d(var(--cave-x), var(--cave-y), 0) scale(var(--cave-scale));
  transform-origin: center;
  will-change: transform;
}

.cave-grade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgb(5 7 8 / 0.92) 0%, rgb(5 7 8 / 0.55) 46%, rgb(23 14 30 / 0.18) 75%),
    linear-gradient(180deg, rgb(5 7 8 / 0.2), rgb(5 7 8 / 0.15) 48%, rgb(5 7 8 / 0.92));
}

.cave-grade::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 35%, rgb(101 72 124 / 0.08) 62%, rgb(140 117 159 / 0.36));
  content: "";
  opacity: var(--cave-violet);
}

.cave-copy {
  display: grid;
  width: min(calc(100% - 3rem), var(--pp-container));
  max-width: 47rem;
  gap: var(--pp-space-5);
  margin-inline: auto;
  padding: 12vh 0 10vh;
}

.cave-copy .public-eyebrow {
  color: var(--pp-amethyst-300);
}

.cave-copy h2 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.2rem, 9vw, 8rem);
  font-weight: 520;
  line-height: 0.86;
  letter-spacing: -0.075em;
}

.cave-copy p {
  max-width: 38rem;
  margin: 0;
  color: var(--pp-fog-300);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  line-height: 1.65;
}

.cave-button {
  width: fit-content;
  border-color: rgb(183 164 193 / 0.55);
  color: var(--pp-white);
  background: rgb(16 11 20 / 0.66);
  backdrop-filter: blur(18px);
}

.cave-button:hover {
  background: rgb(37 25 46 / 0.82);
}

.cave-depth {
  display: grid;
  max-width: 30rem;
  grid-template-columns: auto auto;
  gap: var(--pp-space-2);
  margin-top: var(--pp-space-4);
  color: var(--pp-text-quiet);
  font: 600 0.625rem/1 var(--pp-font-mono);
  letter-spacing: 0.12em;
}

.cave-depth span {
  grid-column: 1 / -1;
  height: 1px;
  background: linear-gradient(90deg, var(--pp-fog-500), var(--pp-amethyst-500));
  transform: scaleX(var(--cave-violet));
  transform-origin: left;
}

.cave-depth small:last-child {
  justify-self: end;
  color: var(--pp-amethyst-300);
}

.section-heading {
  display: grid;
  max-width: 48rem;
  gap: var(--pp-space-4);
}

.section-heading h2,
.public-cta h2 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  font-weight: 520;
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.section-heading p {
  max-width: 39rem;
  margin: 0;
  color: var(--pp-text-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.public-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(var(--pp-space-10), 7vw, var(--pp-space-20));
  border-top: 1px solid var(--pp-border);
  border-bottom: 1px solid var(--pp-border);
}

.public-feature-grid article {
  min-height: 19rem;
  padding: var(--pp-space-8);
  border-right: 1px solid var(--pp-border);
}

.public-feature-grid article:last-child {
  border-right: 0;
}

.feature-index {
  color: var(--pp-text-quiet);
  font: 500 0.6875rem/1 var(--pp-font-mono);
}

.public-feature-grid h3 {
  max-width: 15ch;
  margin: var(--pp-space-16) 0 var(--pp-space-4);
  font-size: 1.4rem;
  font-weight: 560;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.public-feature-grid p {
  margin: 0;
  color: var(--pp-text-muted);
  line-height: 1.65;
}

.flow-list {
  display: grid;
  margin: var(--pp-space-12) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pp-border);
}

.flow-list li {
  display: grid;
  min-height: 5.5rem;
  grid-template-columns: 4rem minmax(0, 0.7fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--pp-space-4);
  border-bottom: 1px solid var(--pp-border);
}

.flow-list li > span {
  color: var(--pp-text-quiet);
  font: 500 0.6875rem/1 var(--pp-font-mono);
}

.flow-list strong {
  font-size: 1.05rem;
  font-weight: 560;
}

.flow-list small {
  color: var(--pp-text-muted);
  font-size: 0.9rem;
}

.public-cta {
  display: flex;
  min-height: 22rem;
  align-items: center;
  justify-content: space-between;
  gap: var(--pp-space-8);
  border-top: 1px solid var(--pp-border);
}

.public-cta > div {
  display: grid;
  max-width: 48rem;
  gap: var(--pp-space-4);
}

.public-footer {
  display: grid;
  min-height: 8rem;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--pp-space-8);
  border-top: 1px solid var(--pp-border);
  color: var(--pp-text-quiet);
  font-size: 0.8rem;
}

.public-footer > div {
  display: flex;
  justify-content: center;
  gap: var(--pp-space-5);
}

.public-footer a {
  text-decoration: none;
}

.public-footer a:hover {
  color: var(--pp-text);
}

/* Documents and compact public screens */
.public-document-main,
.public-compact-main {
  width: min(calc(100% - 3rem), var(--pp-container));
  margin-inline: auto;
}

.public-document-main {
  display: grid;
  grid-template-columns: 15rem minmax(0, 48rem);
  justify-content: center;
  gap: clamp(var(--pp-space-8), 7vw, var(--pp-space-20));
  padding-block: clamp(var(--pp-space-12), 8vw, var(--pp-space-20));
}

.document-aside {
  position: sticky;
  top: var(--pp-space-8);
  align-self: start;
  display: grid;
  gap: var(--pp-space-4);
}

.document-aside h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.05em;
}

.document-aside p {
  margin: 0;
  color: var(--pp-text-quiet);
  font: 500 0.6875rem/1.5 var(--pp-font-mono);
}

.document-content {
  padding-left: clamp(var(--pp-space-6), 4vw, var(--pp-space-12));
  border-left: 1px solid var(--pp-border);
}

.document-content section {
  padding-block: var(--pp-space-8);
  border-bottom: 1px solid var(--pp-border);
}

.document-content section:first-child {
  padding-top: 0;
}

.document-content h2 {
  margin: 0 0 var(--pp-space-4);
  font-size: 1.25rem;
  font-weight: 560;
}

.document-content p,
.document-content li {
  color: var(--pp-text-muted);
  line-height: 1.75;
}

.document-content ul {
  padding-left: var(--pp-space-5);
}

.public-compact-main {
  display: grid;
  min-height: calc(100dvh - var(--pp-header-height) - 8rem);
  place-items: center;
  padding-block: var(--pp-space-12);
}

.compact-panel {
  display: grid;
  width: min(100%, 34rem);
  gap: var(--pp-space-5);
  padding: clamp(var(--pp-space-6), 5vw, var(--pp-space-12));
  border: 1px solid var(--pp-border-strong);
  border-radius: var(--pp-radius-3);
  background: var(--pp-surface);
  box-shadow: 0 34px 90px rgb(0 0 0 / 0.34);
}

.compact-panel h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.compact-panel p {
  margin: 0;
  color: var(--pp-text-muted);
  line-height: 1.7;
}

@media (max-width: 920px) {
  .public-hero {
    grid-template-columns: 1fr;
  }

  .public-hero-copy {
    max-width: 44rem;
  }

  .product-window {
    --hero-x: 0deg;
    --hero-y: 0deg;
    --hero-lift: 0px;
    transform: none;
  }

  .public-feature-grid {
    grid-template-columns: 1fr;
  }

  .public-feature-grid article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--pp-border);
  }

  .public-feature-grid article:last-child {
    border-bottom: 0;
  }

  .public-feature-grid h3 {
    margin-top: var(--pp-space-8);
  }

  .scroll-story {
    height: 360svh;
  }

  .story-frame {
    width: min(calc(100% - 2rem), var(--pp-container));
  }

  .story-feature-frame {
    padding-block: 5rem 2rem;
  }

  .story-feature-heading h2 {
    font-size: clamp(3.7rem, 14vw, 7rem);
  }

  .story-feature-grid article {
    min-height: 10rem;
    padding: var(--pp-space-4);
  }

  .story-progress {
    right: var(--pp-space-4);
  }

  .public-document-main {
    grid-template-columns: 1fr;
  }

  .document-aside {
    position: static;
  }
}

@media (min-width: 921px) and (max-height: 800px) {
  .public-hero {
    padding-block: var(--pp-space-12);
  }

  .public-hero h1 {
    margin-block: var(--pp-space-4);
    font-size: clamp(3.5rem, 6.1vw, 5.5rem);
  }

  .public-actions,
  .public-proof {
    margin-top: var(--pp-space-5);
  }
}

@media (max-width: 680px) {
  body {
    background:
      linear-gradient(180deg, rgb(7 11 14 / 0.64), rgb(7 11 14 / 0.96) 70%),
      url("/assets/premium/stratus-clouds-mobile.webp") top center / 100% auto no-repeat,
      var(--pp-canvas);
    background-position: 0 0, calc(50% + var(--page-bg-x)) calc(0% + var(--page-bg-y)), 0 0;
  }

  .public-header,
  .public-footer,
  .public-hero,
  .public-section,
  .public-cta,
  .public-document-main,
  .public-compact-main {
    width: min(calc(100% - 2rem), var(--pp-container));
  }

  .cave-copy {
    width: min(calc(100% - 2rem), var(--pp-container));
  }

  .cave-journey {
    height: 150svh;
  }

  .cave-sticky {
    min-height: 92svh;
  }

  .cave-image {
    background-position: 58% center;
  }

  .cave-copy h2 {
    font-size: clamp(3.35rem, 17vw, 5.6rem);
  }

  .scroll-story {
    height: 330svh;
  }

  .story-cloud-world {
    background:
      linear-gradient(180deg, rgb(7 11 14 / 0.58), rgb(7 11 14 / 0.9)),
      url("/assets/premium/stratus-clouds-mobile.webp") center / cover no-repeat;
  }

  .story-cave-world {
    clip-path: circle(var(--story-reveal) at 58% 74%);
  }

  .story-cave-back,
  .story-cave-near {
    background-position: 59% center;
  }

  .story-cave-near {
    display: none;
  }

  .story-feature-frame {
    grid-template-rows: minmax(0, 1fr) auto auto;
    gap: var(--pp-space-4);
    padding-block: 4.75rem 1.5rem;
  }

  .story-feature-heading {
    align-content: center;
  }

  .story-feature-heading h2 {
    max-width: 8ch;
    font-size: clamp(3.5rem, 18vw, 5.2rem);
  }

  .story-feature-heading p {
    max-width: 28rem;
    font-size: 0.93rem;
  }

  .story-feature-grid {
    grid-template-columns: 1fr;
  }

  .story-feature-grid article {
    min-height: auto;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    padding: var(--pp-space-3) 0;
    border-right: 0;
    border-bottom: 1px solid var(--pp-border);
    background: transparent;
    backdrop-filter: none;
  }

  .story-feature-grid article:last-child {
    border-bottom: 0;
  }

  .story-feature-grid h3 {
    font-size: 1.25rem;
  }

  .story-feature-grid p {
    display: none;
  }

  .story-scroll-cue {
    margin-top: var(--pp-space-2);
  }

  .story-aethra-frame {
    grid-template-columns: 1fr;
    gap: var(--pp-space-4);
    padding-block: 6rem;
  }

  .story-aethra-index {
    display: none;
  }

  .story-aethra-copy h2 {
    max-width: 100%;
    font-size: clamp(3.35rem, 18vw, 5.4rem);
    line-height: 0.8;
    letter-spacing: -0.095em;
  }

  .story-aethra-copy p {
    max-width: 100%;
    font-size: 0.95rem;
  }

  .story-aethra-copy .public-button {
    max-width: 100%;
  }

  .story-depth-meter {
    right: 2rem;
  }

  .story-progress {
    display: none;
  }

  .public-header {
    min-height: 4.25rem;
  }

  .public-nav a:not(.public-nav-cta) {
    display: none;
  }

  .public-nav .public-nav-cta {
    min-height: 2.25rem;
    padding-inline: var(--pp-space-3);
    font-size: 0.75rem;
  }

  .public-hero {
    min-height: auto;
    padding-block: var(--pp-space-16);
  }

  .public-hero h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

  .public-actions {
    display: grid;
  }

  .public-button {
    width: 100%;
  }

  .product-window-body {
    min-height: 24rem;
    grid-template-columns: 1fr;
  }

  .product-contacts {
    display: none;
  }

  .flow-list li {
    min-height: 7rem;
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }

  .flow-list small {
    grid-column: 2;
  }

  .public-cta {
    min-height: 24rem;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
  }

  .public-footer {
    grid-template-columns: 1fr;
    padding-block: var(--pp-space-8);
  }

  .public-footer > div {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .document-content {
    padding-left: 0;
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition-duration: 1ms !important;
  }

  .product-window,
  .cave-image,
  .cave-depth span,
  .page-parallax-layer,
  .story-cloud-world,
  .story-cave-back,
  .story-cave-near,
  .story-feature-frame,
  .story-aethra-frame {
    transform: none !important;
    translate: none !important;
  }

  .page-parallax-layer {
    opacity: 1 !important;
    scale: none !important;
  }

  .story-cave-world {
    clip-path: none !important;
  }

  .story-feature-frame {
    opacity: 0 !important;
  }

  .story-aethra-frame,
  .story-cave-world {
    opacity: 1 !important;
  }
}